3725383

Information

• Patent Grant
• 3725383

• References
• Source

• Patent Number

  3,725,383

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  51 years ago

• CPC

  • C09B62/0067 - with heterocyclic compound as coupling component
  • C09B29/10 - from coupling components containing hydroxy as the only directing group
  • C09B29/3621 - from a pyridine ring
  • C09B31/153 - containing a six-membered ring with one nitrogen atom as the only ring hetero-atom
  • C09B45/025 - of azo-pyridone series

• US Classifications

  • 534 - Organic compounds
  • 546 - Organic compounds